1. Aasheim v. Humberger, 695 P.2d 824 (S. Ct. of Ohio 1986).
2. Allied Tube and Conduit Co. v. Indian Head, Inc., 486 U.S. 492 (1988).
3. Restatement of the law of torts (second);American Law Institute,1977
4. Physicians and surgeons: Standards of skill and care required of specialists;American Law Reviews,1968
5. The modern status of the “locality rule” in malpractice actions against physicians who are not specialists;American Law Reviews,1980